A men's denim shirt never goes out of fashion, and this classic and rigid item can be dressed up or down, for various occasions. For a casual look, open up the shirt and pop on a white t-shirt, jeans and trainers. Alternatively, swap out the shoes for boots or brogues and button the shirt up for smart attire. This wardrobe staple is a shirt you’ll wear over and over again. From summer to winter, there are plenty of ways to wear this men’s jean shirt. 100% Cotton. Boxy Fit Denim Shirt